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KMID : 0613319960020010033
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Journal of the Korean Bone and Joint Tumor Soceity
1996 Volume.2 No. 1 p.33 ~ p.37
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Fine Needle Aspiration Cytology in Bone and Soft Tissue Tumor
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Lee Soo-Yong
Jeon Dae-Geun
Lee Jong-Seok
Kim Sug-Jun
Cho Kyung-Ja
Oh Hyung-Ho
Park Min-Hyo
Park Hyun-Soo
Jang Jin-Dae
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Abstract
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From January 1994 to August 1995 we performed 270 cases of fine needle aspiration cytology for bone and soft tissue lesions. Among them 137 cases were diagnosed histologically.Sixty-seven cases were benign and 70 cases were malignant. We analysed these on the aspect of sensitivity,specifity,posi-tive perdictive value,negative predictive value of the cytologic examination. Malignant cases consisted of bone tumor 29 cases; soft tussue tumor 25 cases; and metaastatic tumor 16 cases. The sensitivity and specifity of the aspiration cytology for malignant tumor were 67.8% and 97%,respectively. The positive and negative predictive value of aspiration cytology were 97.4% and 72.7%, respectively. Among then 40 cases were primary bony lesions; 14 benign lesions, 26 malignamt bone tumors. Sensitivity of aspiration cytology for these primary bony lesion was 90%(18/20)and its specifity was 100%(13/13). Three cases showed atypecal cells in sytology but with biopsy we could find them as one benign and two malignancies.Two cases of manignancy showed negative result in cytology; one was parosteal sarcoma of proximal femur and the other was osteosarcoma of proximal tibia which was biopsied already at other hospital.Although the overall sensitivity and specifity for malignant
bone and soft tissue tumors were relatively low and not so predictable,the fine needle aspiration cytology for primary bony lesion was useful in the differential diagnosis of benign or malignancy.
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KEYWORD
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Aspiration cytology, Bone and soft tissue tumor
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